FWIW I've ran into this too with a new 16" MBP and what largely fixed it for me (happened once in two weeks vs. every time the computer went to sleep) was to disable "Power Nap while plugged into a power adaptor" in the "Energy Saver" system preferences.
(I'm aware that this might not be applicable to your situation, since you might not even use a power adaptor when the crashes happen, just wanted to point this out in case it helps someone else)
(I'm aware that this might not be applicable to your situation, since you might not even use a power adaptor when the crashes happen, just wanted to point this out in case it helps someone else)